Layered Queueing Network Solver software package

The concepts of layered queueing and some details addressed by LQNS are outlined in this tutorial . There are also:

User's Manual
Documentation web page for LQNS
LQNS download after you obtain the evaluation license
LQNS agreement (fill out first and fax to 1-613-520-5727, with email notification to Greg Franks (greg@sce.carleton.ca)
Menu-driven and graphical editor for LQNS models (executable JAR)

A collection of examples with descriptions and model files
Annotated bibliography

Other RADS software

Parasol (used by lqsim)

Other RADS software which is no longer maintained or distributed

XTG
MLog